Shanghai Youqi Sealing Technology Co. Ltd. is a company manufacturing different kinds of sealing rings. We devote to researching and developing in the field of sealing products for several years. We have mature technology and fixed factory to manufacture both standard and customized sealing products. Especially, we are specialized in customizing all kinds of sealing rings in different sizes, types, structures, or materials needed to meet buyers' different needs. The manufacturing are strictly according to the certificate. We try to make the customized products fit every buyer's requirement. All the customized sealing rings are able to be manufactured. We are confident of the power of the technology and producing. The crew believe that "the honesty and the quality is the most important in the business."